180,021 in words
180,021
one hundred eighty thousand twenty-one
180,021 is written one hundred eighty thousand twenty-one.
Ways to write it
- As an ordinal
- one hundred eighty thousand twenty-first
- Expanded form
- 100,000 + 80,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| hundred thousands | 1 | 100,000 |
| ten thousands | 8 | 80,000 |
| thousands | 0 | 0 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 23, 69, 2,609, 7,827, 60,007 and 180,021 (8 factors)
- First 10 multiples
- 180,021, 360,042, 540,063, 720,084, 900,105, 1,080,126, 1,260,147, 1,440,168, 1,620,189, 1,800,210
- Square
- 180,021 × 180,021 = 32,407,560,441
- Square root
- ≈ 424.29
- Sum of the digits
- 1 + 8 + 0 + 0 + 2 + 1 = 12
- Rounded to the nearest 10
- 180,020
- Rounded to the nearest 100
- 180,000
- Rounded to the nearest 1000
- 180,000
- Number before
- 180,020
- Number after
- 180,022
- In binary
101011111100110101
Quick check
What number comes just after 180,021?
Show the answer
180,022
Is 180,021 even or odd?
Show the answer
Odd
What is 180,021 + 10?
Show the answer
180,031
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 180,021 in words?
180,021 is written "one hundred eighty thousand twenty-one".
Is 180,021 a prime number?
No. 180,021 is a composite number, because it has more than two factors.
What are the factors of 180,021?
The factors of 180,021 are 1, 3, 23, 69, 2,609, 7,827, 60,007 and 180,021.